header CONSTCONTACT X-Mailer =~ /Constant Contact/i
describe CONSTCONTACT Mail comming from constant contact, which doesn't require double opt-in
score CONSTCONTACT 5
+
+# don 2009-09-22
+body NUMEMAIL /\d{3,}\s+emails?/i
+describe NUMEMAIL Mail which mentions some number of e-mail addresses
+score NUMEMAIL 2